Merge branch '292480-remove-temporary-gl-w-p-utility-classes' into 'master'

Remove temporary gl-w-#p utility classes

See merge request gitlab-org/gitlab!49695

app/assets/stylesheets/utilities.scss

@@ -143,16 +143,3 @@
     flex-direction: column !important;
   }
 }
-
-// These will be moved to @gitlab/ui in https://gitlab.com/gitlab-org/gitlab-ui/-/issues/1091
-.gl-w-10p {
-  width: 10%;
-}
-
-.gl-w-20p {
-  width: 20%;
-}
-
-.gl-w-40p {
-  width: 40%;
-}